Global Patent Index - EP 0179877 B1

EP 0179877 B1 19910320 - WEAR RESISTANT GUN BARREL AND METHOD OF FORMING

Title (en)

WEAR RESISTANT GUN BARREL AND METHOD OF FORMING

Publication

EP 0179877 B1 19910320 (EN)

Application

EP 85902359 A 19850429

Priority

US 60611084 A 19840502

Abstract (en)

[origin: WO8505173A1] A gun barrel is produced by vacuum plasma spray depositing an inner layer (28) of a refractory metal as a gun barrel liner on a mandrel (26), followed by deposit of an intermediate layer (30) to provide a transition in properties from the liner to an outer layer of jacket material.

IPC 1-7

C23C 4/16; F41A 21/02

IPC 8 full level

C23C 4/00 (2006.01); C23C 4/18 (2006.01); F41A 21/02 (2006.01)

CPC (source: EP US)

C23C 4/185 (2013.01 - EP US); F41A 21/02 (2013.01 - EP US)

Citation (examination)

Material Progress, vol.83, no.3, March 1963, L.W.Davis, "How to deposit metallic and nonmetallic coatings with the plasma arc torch", p.105-148

Designated contracting state (EPC)

BE CH DE FR GB LI SE

DOCDB simple family (publication)

WO 8505173 A1 19851121; DE 3582222 D1 19910425; EP 0179877 A1 19860507; EP 0179877 A4 19870212; EP 0179877 B1 19910320; EP 0339692 A2 19891102; EP 0339692 A3 19900131; IL 75023 A 19920818; JP H063359 B2 19940112; JP S61502069 A 19860918; US 4577431 A 19860325

DOCDB simple family (application)

US 8500756 W 19850429; DE 3582222 T 19850429; EP 85902359 A 19850429; EP 89111458 A 19850429; IL 7502385 A 19850426; JP 50200785 A 19850429; US 60611084 A 19840502